Pneumatic control valve in two way form with bellow sealing EN-GJS-400-18-LT (GGG-40.3), PN 16/25
Materials
| Body | EN-GJS-400-18-LT (GGG-40.3) |
| Actuator | Diaphragm Area 250cm2 |
Body:
EN-GJS-400-18-LT (GGG-40.3), two way form
for heat transfer oil
Pressure range: PN 16, PN 25
Immersion length acc. to DIN EN 558, basic series 1
Flanges acc. to DIN EN 1092-2 type 21
Spindle sealing: double wall bellow
and safety stuffing box
Internal parts: stainless steel, replaceable seat rings
Flow characteristic: equal percentage
Positioning ratio: 30:1
Leakage: < 0,01% Kvs
EN-GJS-400-18-LT (GGG-40.3), two way form
for heat transfer oil
Pressure range: PN 16, PN 25
Immersion length acc. to DIN EN 558, basic series 1
Flanges acc. to DIN EN 1092-2 type 21
Spindle sealing: double wall bellow
and safety stuffing box
Internal parts: stainless steel, replaceable seat rings
Flow characteristic: equal percentage
Positioning ratio: 30:1
Leakage: < 0,01% Kvs
Actuator:
Diaphragm area 250 cm², ø250 mm
Operating mode (reversible):
“Spring closes straightway“
Air connection: G1/4“
Operating pressure: standard type: 1,6 bar
other types: …c: 2,4 bar, …d: 4,4 bar
